Blue solid oxide of tungsten formed by reaction of tungsten trioxide and tungsten metal
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Tungsten pentoxide (W2O5) was reported in early literature but proved to have the stoichiometry W18O49.[1] Sometimes called mineral blue, it is a blue solid formed by the reaction of tungsten trioxide, WO3, and tungsten metal at 700 °C.[1]
Tungstenpentoxide (W2O5) was reported in early literature but proved to have the stoichiometry W18O49. Sometimes called mineral blue, it is a blue solid...
known as tungsten dioxide Tungsten(VI) oxide, also known as tungsten trioxide Tungstenpentoxide This set index article lists chemical compounds articles...
dioxide, tungsten trioxide, and tungstenpentoxide when an incandescent light bulb breaks while the filament is heated. Tungsten silicide is another material...
the hot tungsten filament reacts with air, yielding an aerosol of brown tungsten nitride, brown tungsten dioxide, violet-blue tungstenpentoxide, and yellow...
with bromine at 160 °C. Tungsten hexabromide is hydrolyzed in water, producing tungstenpentoxide and releasing bromine. Tungsten(VI) oxytetrabromide is...
since it is an oxidant with powerful dehydrating properties. Phosphorus pentoxide is a notable exception in that it is not dehydrated by sulfuric acid but...
reactive dinitrogen pentoxide (N2O5) is the anhydride of nitric acid, and can be made from it by dehydration with phosphorus pentoxide. It is of interest...
nanofibers, nanotubes, diamond and graphene), fluorocarbons, filaments, tungsten, titanium nitride and various high-κ dielectrics. The term chemical vapour...
glass based on boron trioxide (B2O3) absorbs below 172 nm, a phosphorus pentoxide glass (P2O5) absorbs below 145 nm. There are two types of oxygen in oxide...
and scrap iron. This produces a slag containing 20% to 24% vanadium pentoxide, which can be further processed to ferrovanadium containing 40% to 50%...
be toxic if taken in excess; some have notably toxic forms. Vanadium pentoxide (V2O5) is carcinogenic in animals and, when inhaled, causes DNA damage...
garlic smell, and samples are commonly coated with white "diphosphorus pentoxide", which consists of P4O10 tetrahedral with oxygen inserted between the...
about 70% higher than that of lead and slightly lower than that of gold or tungsten. It occurs naturally in low concentrations of a few parts per million in...
the metal oxidation states +2, +4, and +5. The most stable is the white pentoxide Pa2O5, which can be produced by igniting protactinium(V) hydroxide in...
aluminium alloys. The most important industrial vanadium compound, vanadium pentoxide, is used as a catalyst for the production of sulfuric acid. The vanadium...
although the trioxide is extremely corrosive at high temperatures. The pentoxide is not stable at room temperature, and will evolve O 2 gas if heated....
solubilized due to the formation of polyoxotantalate species. Tantalum pentoxide (Ta2O5) is the most important compound from the perspective of applications...
been known for the longest time. The stable, white, hygroscopic iodine pentoxide (I2O5) has been known since its formation in 1813 by Gay-Lussac and Davy...
been known for the longest time. The stable, white, hygroscopic iodine pentoxide (I2O5) has been known since its formation in 1813 by Gay-Lussac and Davy...
over 1.5 M concentration using the lower cost, but insoluble vanadium pentoxide as starting material. These processes involved chemical and electrochemical...
with a hammer. It burns in oxygen to form arsenic trioxide and arsenic pentoxide, which have the same structure as the more well-known phosphorus compounds...
decomposition of bromine dioxide in a vacuum. It oxidises iodine to iodine pentoxide and benzene to 1,4-benzoquinone; in alkaline solutions, it gives the hypobromite...
in solution forms the strong base sodium hydroxide, while phosphorus pentoxide in solution forms phosphoric acid. Oxygenated anions such as chlorates...
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